/Engine/Source/Runtime/Engine/Public/MaterialShared.h
bool TryGetShaders ( const [FMaterialShaderTypes](API\Runtime\Engine\FMaterialShaderTypes) & InTypes, const [FVertexFactoryType](API\Runtime\RenderCore\FVertexFactoryType) * InVertexFactoryType, [FMaterialShaders](API\Runtime\Engine\FMaterialShaders) & OutShaders ) const